Question

Work out 1and 2/3 x 5/6

Answer 1

$1=\dfrac{3}{3}$
therefore
$1\dfrac{2}{3}=\dfrac{3+2}{3}=\dfrac{5}{3}$

$1\dfrac{2}{3}\cdot\dfrac{5}{6}=\dfrac{5}{3}\cdot\dfrac{5}{6}=\dfrac{5\cdot5}{3\cdot6}=\dfrac{25}{18}=\dfrac{18+7}{18}=1\dfrac{7}{18}$